76749077 has 2 divisors, whose sum is σ = 76749078. Its totient is φ = 76749076.

The previous prime is 76749059. The next prime is 76749107. The reversal of 76749077 is 77094767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 34939921 = 6466^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 76749077 - 2⁸ = 76748821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76749047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38374538 + 38374539.

It is an arithmetic number, because the mean of its divisors is an integer number (38374539).

Almost surely, 2^76749077 is an apocalyptic number.

It is an amenable number.

76749077 is a deficient number, since it is larger than the sum of its proper divisors (1).

76749077 is an equidigital number, since it uses as much as digits as its factorization.

76749077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 76749077 is about 8760.6550554168. The cubic root of 76749077 is about 424.9694593971.

The spelling of 76749077 in words is "seventy-six million, seven hundred forty-nine thousand, seventy-seven".